Patch from Katie to avoid spurious failure when browser maximized (FF on my machine has dojo.window.getBox().w --> 1583px), refs #4282.
Patch from Katie to avoid spurious failure when browser maximized (FF on my machine has dojo.window.getBox().w --> 1583px), refs #4282.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@23288 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful